What is the policy of clearing and compressing logs in kafka?

It is believed that many inexperienced people have no idea about the strategy of clearing and compressing logs in kafka. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

Log cleanup policy

According to the retention time of the message, when the message is saved in kafka for more than the specified time

It triggers the cleanup process.

The size of stored data, when the log file size occupied by topic is larger than a certain threshold

You can start deleting the oldest messages.

Log compression strategy

Merge the same key periodically, leaving only the latest value value.

The principle of log compression is:

After reading the above, have you mastered the log removal strategy and compression strategy in kafka? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!